历史数据定位功能重置定位数组修改

src/app/pages/historical-data/historical-data.component.ts

@@ -231,6 +231,11 @@ export class HistoricalDataComponent implements OnInit {
             $(".table-body tbody>tr").eq(0).find('td').each((index, element) => {
                 $(".table-head table thead tr").eq(0).find('th').eq(index).attr('width', $(element).innerWidth() + 'px');
             })
+            if (this.tableBody.nativeElement.scrollHeight <= (this.tableBody.nativeElement.innerHeight || this.tableBody.nativeElement.clientHeight)) {
+                this.tableHead.nativeElement.style.overflowY = 'auto';
+            } else {
+                this.tableHead.nativeElement.style.overflowY = 'scroll';
+            }
         }
         return true;
     }
@@ -284,6 +289,8 @@ export class HistoricalDataComponent implements OnInit {
      */
     refresh() {
         this.operateSpinServiceService.showSpin();
+        this.positionedArray = [];  //定位数组为清空
+        this.positionArrayIndex = 0;    //定位元素Index归零
         this.SEARCH = '';    //手动输入条件
         this.FLT_POS = 1;    //过滤还是定位
         this.SEL_COL = '';   //选择列名
@@ -726,6 +733,14 @@ export class HistoricalDataComponent implements OnInit {
 
     }
 
+    /**
+     * 重置定位数组
+     */
+    resetPositionArray() {
+        this.positionedArray = [];
+        this.positionArrayIndex = 0;
+    }
+
     /**
      * 选中某行
      * @param i